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What's the difference between Invoke() and BeginInvoke()
...ple, if you have a Person with FirstName and LastName properties, and you did:
person.FirstName = "Kevin"; // person is a shared reference
person.LastName = "Spacey";
control.BeginInvoke(UpdateName);
person.FirstName = "Keyser";
person.LastName = "Soze";
Then the UI may well end up displaying "Ke...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
... of concept in a WebKit build that does HTML5 Peer to Peer Conversational Video.
They have demonstrations in their blog of the technology in action, as well as diagrams and explanations on how the technology will work.
They are working on getting this stabilized and committed to the WebKit repos...
How do you clear a slice in Go?
...
It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
slice = slice[:0]
But there's a catch. If slice elements are of type T:
var slice []T
then enforcing len(slice) to be zero, by the above "trick", doesn't make any element of
slice[:cap(slice)]
...
Java `final` method: what does it promise?
...hod can be defined to be final , to mark that this method may not be overridden:
5 Answers
...
How to exclude certain directories/files from git grep search
...s entirely within (modern versions of) git now.
– David
Nov 16 '15 at 15:12
Why the downvotes? This answer still appli...
Add missing dates to pandas dataframe
...
You could use Series.reindex:
import pandas as pd
idx = pd.date_range('09-01-2013', '09-30-2013')
s = pd.Series({'09-02-2013': 2,
'09-03-2013': 10,
'09-06-2013': 5,
'09-07-2013': 1})
s.index = pd.DatetimeIndex(s.index)
s = s.rei...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
... figures.
methods of the Figure class
Additionally, the Figure class provides methods for clearing figures.
I'll assume in the following that fig is an instance of a Figure:
fig.clf() clears the entire figure. This call is equivalent to plt.clf() only if fig is the current figure.
fig.clear() is...
Change values while iterating
... {href http://www.google.com}]}
{[{key value} {href something}]}
This avoids creating a--possibly large--copy of type Attribute values, at the expense of slice bounds checks. In your example, type Attribute is relatively small, two string slice references: 2 * 3 * 8 = 48 bytes on a 64-bit architec...
Which is generally best to use — StringComparison.OrdinalIgnoreCase or StringComparison.InvariantCul
...
Newer .Net Docs now has a table to help you decide which is best to use in your situation.
From MSDN's "New Recommendations for Using Strings in Microsoft .NET 2.0"
Summary: Code owners previously using the InvariantCulture for string comparison, casing, and sorting ...
How can you diff two pipelines in Bash?
...
In bash you can use subshells, to execute the command pipelines individually, by enclosing the pipeline within parenthesis. You can then prefix these with < to create anonymous named pipes which you can then pass to diff.
For example:
diff <(foo | bar) <(baz | quux)
The anonymous ...